AI Matters
Why it matters
Anthropic adds invisible watermarks to all Claude text and images
The Decoder Anthropic watermarks all Claude outputs globally with marks that "may persist through some editing"
Anthropic announced it will embed invisible watermarks in all Claude-generated content globally and sign files using the C2PA metadata standard.
Why it matters
You will be able to verify if text or images were made by Claude, helping combat misinformation and comply with upcoming digital safety laws.
Latest brief · Aug 11, 2026